骶前静脉丛破裂大出血，偶可发生在直肠癌Ｍｉｌｅｓ手术术中，亦可发生在其他某些盆腔手术或盆部外伤时。由于该部位的解剖特点，一旦发生破裂出血，以普通方法极难止血成功。如以缝扎法，常可使被缝扎之骶前筋膜撕裂，反而扩大出血范围；以小片肌肉填压加电灼法，在出血... Presacral venous plexus hemorrhage may occur occasionally in Miles surgery for rectal cancer, or in some other pelvic surgery or pelvic trauma. Due to the anatomical features of the site, once the bleeding has occurred, it is extremely difficult to stop bleeding with the ordinary method. Such as suture method, often can be sutured before the tendon of the tendon tear, but to expand the scope of bleeding; a small piece of muscle pressure and electrocautery method, in the bleeding ...